Tubular easel



FIG. 1 is a is a front elevation view of a tubular easel showing my new design;

FIG. 2 is a is a rear elevation view thereof;

FIG. 3 is a right front elevation view thereof;

FIG. 4 is a left front elevation view thereof;

FIG. 5 is a top elevation view thereof; and,

FIG. 6 is a bottom elevation view thereof. 

I claim the ornamental design for a tubular easel, as shown and described. 